ZDoom

The demo on shadertoy doesn't seem to work for me, I get plenty of error messages. Sorry about that, if you're using an older browser it may not fully support WebGL2. The big problem here is that we still have to support some ancient GL versions due to too high user share. Right now dumping 3.3 ...

Some times ago I tried to see if it could be made with shaders; but unfortunately no -- each frame modifies the previous, and while you can access the source image from the shader I don't think you can access the previous render. Other than that, the code is very simple and as long as you can ...

This feature just got merged and should be available in the latest dev build.

PR and test map: https://github.com/coelckers/gzdoom/pull/437 Custom properties in UDMF (prefixed with "user_") are allowed to be string/float/int on linedef/sidedef/sector properties, but were not previously supported on UDMF things -- everything was coerced to an int. This PR adds support for ...